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Discussion Starter #1
Please help after starting my truck it idles fine in park and drives fine but as soon as I go from park to reverse or park to drive my RPMs drop and the truck dies unless I quick tap the gas and keep the RPMs up is this a idle issue or injector issue anyone familiar?
 

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B4U Task Force Admin
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Holy run on sentence Batman... A little punctuation would be great.

Moved to 262/4.3.
 

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Things to check (in order of likelihood):
  • fuel pressure
  • open up the TBI and look at the fuel pressure regulator spring to see if it's broken
  • look at the injector spray pattern under a timing light to see if it's dripping
  • Remove and clean the EGR, then check that it works properly
  • Remove and clean the IAC valve
  • Remove the transmission valve body and see if any of the check balls are stuck in the separator plate. Replace filter and fluid while you're doing this.
  • Inspect springs in the transmission valve body to see if any are broken
 
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